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| author | Johannes Berg <johannes@sipsolutions.net> | 2009-02-10 21:25:58 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-02-13 13:45:54 -0500 |
| commit | d491af19db3adcc1eb1653e60a427fb4df36f361 (patch) | |
| tree | 7116bcc9f6de56d181d16463252c4aabab77b20e /net/wireless/scan.c | |
| parent | 78c1c7e109f1f14e7c18f290c4ebc58da220c7ba (diff) | |
| download | blackbird-op-linux-d491af19db3adcc1eb1653e60a427fb4df36f361.tar.gz blackbird-op-linux-d491af19db3adcc1eb1653e60a427fb4df36f361.zip | |
cfg80211: allow users to request removing a BSS
This patch introduces cfg80211_unlink_bss, a function to
allow a driver to remove a BSS from the internal list and
make it not show up in scan results any more -- this is
to be used when the driver detects that the BSS is no
longer available.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/scan.c')
| -rw-r--r-- | net/wireless/scan.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/wireless/scan.c b/net/wireless/scan.c index ec148f68a62b..aacccc9ab6ca 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -432,6 +432,27 @@ void cfg80211_put_bss(struct cfg80211_bss *pub) } EXPORT_SYMBOL(cfg80211_put_bss); +void cfg80211_unlink_bss(struct wiphy *wiphy, struct cfg80211_bss *pub) +{ + struct cfg80211_registered_device *dev = wiphy_to_dev(wiphy); + struct cfg80211_internal_bss *bss; + + if (WARN_ON(!pub)) + return; + + bss = container_of(pub, struct cfg80211_internal_bss, pub); + + spin_lock_bh(&dev->bss_lock); + + list_del(&bss->list); + rb_erase(&bss->rbn, &dev->bss_tree); + + spin_unlock_bh(&dev->bss_lock); + + kref_put(&bss->ref, bss_release); +} +EXPORT_SYMBOL(cfg80211_unlink_bss); + #ifdef CONFIG_WIRELESS_EXT int cfg80211_wext_siwscan(struct net_device *dev, struct iw_request_info *info, |
